# Libri americani de I tre investigatori
## Elenco di libri
### Serie I tre investigatori

| N° | Romanzo | Autore | Anno |
| 1 | Il castello del terrore (The Secret of Terror Castle) | Robert Arthur | 1964 |
| 2 | Il pappagallo balbuziente (The Mystery of the Stuttering Parrot) | Robert Arthur | 1964 |
| 3 | La mummia sussurrante (The Mystery of the Whispering Mummy) | Robert Arthur | 1965 |
| 4 | Il fantasma verde (The Mystery of the Green Ghost) | Robert Arthur | 1965 |
| 5 | Il tesoro scomparso (The Mystery of the Vanishing Treasure) | Robert Arthur | 1966 |
| 6 | L'isola dello scheletro (The Secret of Skeleton Island) | Robert Arthur | 1966 |
| 7 | L'occhio di fuoco (The Mystery of the Fiery Eye) | Robert Arthur | 1967 |
| 8 | Il principe e il ragno (The Mystery of the Silver Spider) | Robert Arthur | 1967 |
| 9 | L'orologio che urla (The Mystery of the Screaming Clock) | Robert Arthur | 1968 |
| 10 | La caverna del diavolo (The Mystery of the Moaning Cave) | William Arden | 1968 |
| 11 | Il teschio parlante (The Mystery of the Talking Skull) | Robert Arthur | 1969 |
| 12 | L'amuleto d'oro (The Mystery of the Laughing Shadow) | William Arden | 1969 |
| 13 | Il gatto sciancato (The Secret of the Crooked Cat) | William Arden | 1970 |
| 14 | Il drago raffreddato (The Mystery of the Coughing Dragon) | Nick West | 1970 |
| 15 | L'aquila scarlatta (The Mystery of the Flaming Footprints) | M. V. Carey | 1971 |
| 16 | Il leone nervoso (The Mystery of the Nervous Lion) | Nick West | 1971 |
| 17 | Il canto del serpente (The Mystery of the Singing Serpent) | M. V. Carey | 1972 |
| 18 | Una strana eredità (The Mystery of the Shrinking House) | William Arden | 1972 |
| 19 | Il diario del marinaio (The Secret of Phantom Lake) | William Arden | 1973 |
| 20 | Il mostro della montagna (The Mystery of Monster Mountain) | M. V. Carey | 1973 |
| 21 | Lo specchio incantato (The Secret of the Haunted Mirror) | M. V. Carey | 1974 |
| 22 | Gli indovinelli del morto (The Mystery of the Dead Man's Riddle) | William Arden | 1974 |
| 23 | Il cane invisibile (The Mystery of the Invisible Dog) | M. V. Carey | 1975 |
| 24 | La miniera abbandonata (The Mystery of Death Trap Mine) | M. V. Carey | 1976 |
| 25 | Il diavolo danzatore (The Mystery of the Dancing Devil) | William Arden | 1976 |
| 26 | La spada del conquistatore (The Mystery of the Headless Horse) | William Arden | 1977 |
| 27 | Il bosco delle streghe (The Mystery of the Magic Circle) | M. V. Carey | 1978 |
| 28 | Un sosia per Jupiter (The Mystery of the Deadly Double) | William Arden | 1978 |
| 29 | Le formiche guerriere (The Mystery of the Sinister Scarecrow) | M. V. Carey | 1979 |
| 30 | Duello sotto il mare (The Secret of Shark Reef) | William Arden | 1979 |
| 31 | The Mystery of the Scar-Faced Beggar | M. V. Carey | 1981 |
| 32 | The Mystery of the Blazing Cliffs | M. V. Carey | 1981 |
| 33 | The Mystery of the Purple Pirate | William Arden | 1982 |
| 34 | The Mystery of the Wandering Cave Man | M. V. Carey | 1982 |
| 35 | The Mystery of the Kidnapped Whale | Marc Brandel | 1983 |
| 36 | The Mystery of the Missing Mermaid | M. V. Carey | 1983 |
| 37 | The Mystery of the Two-Toed Pigeon | Marc Brandel | 1984 |
| 38 | The Mystery of the Smashing Glass | William Arden | 1984 |
| 39 | The Mystery of the Trail of Terror | M. V. Carey | 1984 |
| 40 | The Mystery of the Rogues' Reunion | Marc Brandel | 1985 |
| 41 | The Mystery of the Creep-Show Crooks | M. V. Carey | 1985 |
| 42 | The Mystery of Wrecker's Rock | William Arden | 1986 |
| 43 | The Mystery of the Cranky Collector | M. V. Carey | 1987 |
| - | The Mystery of the Ghost Train | M. V. Carey | |

### Serie Find Your Fate Mysteries

| N° | Romanzo | Autore | Anno |
| 1 | RH1 Case of the Weeping Coffin | Megan Stine e H. William Stine | 1985 |
| 2 | RH2 Case of the Dancing Dinosaur | Rose Estes | 198? |
| 3 | RH3 Case of the House of Horrors | Megan Stine e H. William Stine | 198? |
| 4 | RH4 Case of the Savage Statue | M.V. Carey | 1987 |

### Serie Crimebusters

| N° | Romanzo | Autore | Anno |
| 1 | Hot Wheels | William Arden | 1989 |
| 2 | Murder to Go | Megan Stine e H. William Stine | 1989 |
| 3 | Rough Stuff | G.H. Stone | 1989 |
| 4 | Funny Business | William MacCay | 1989 |
| 5 | An Ear for Danger | Marc Brandel | 1989 |
| 6 | Thriller Diller | Megan Stine e H. William Stine | 1989 |
| 7 | Reel Trouble | G.H. Stone | 1989 |
| 8 | Shoot the Works | William MacCay | 1990 |
| 9 | Foul Play | Peter Lerangis | 1990 |
| 10 | Long Shot | Megan Stine e H. William Stine | 1990 |
| 11 | Fatal Error | G.H. Stone | 1990 |
| 12 | Brain Wash | Peter Lerangis | 2011 |
| 13 | High Strung | G.H. Stone | 2011 |